sincerely

sin·cere·ly
S1I1N1C3E1R1E1L1Y4
UK/sɪnˈsɪəli/US/sɪnˈsɪɹli/

adverb

In a sincere or earnest manner; honestly.

“I sincerely hope they make it home safely.”

Similar
earnestlyyours sincerelysincerely yoursyours trulybest regardsregardsgenuinelyhonestly
Opposite
insincerely
OriginLatin sincērus →
CommonScrabble 14
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Meanings

adverbsincerely (comparative more sincerely, superlative most sincerely)

comparative more sincerely · superlative most sincerely

  1. In a sincere or earnest manner; honestly.

    I sincerely hope they make it home safely.

    Synonyms: earnestly

  2. USA conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended by his or her name.

    Please consider the proposal carefully and let me know what you decide. Sincerely, Fred

    Synonyms: yours sincerely, sincerely yours, yours truly, best regards, regards

Synonyms & antonyms

adverbIn a sincere or earnest manner; honestly.

Similar
earnestly

adverbA conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended by his or her name.

Similar
yours sincerelysincerely yoursyours trulybest regardsregards
Similar
genuinelyhonestlytruthfully

More synonyms by meaning

adverbwith sincerity; without pretense

Similar
unfeignedlytruly
Opposite
insincerely

adverbwritten formula for ending a letter

Similar
sincerely yours
Also see
for realsiesfranklyhonestlyt.trulytruthfullyunfeignedly

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinsincērus“pure, clean, sound”
  2. Englishsincerely

From sincere + -ly, from Latin sincērus (“pure, clean, sound”).

More words from Latin

Full word history & related roots →

Translations

Ancient Greek εἰλικρινῶς
  • εἰλικρινῶς (eilikrinôs)In a sincere or earnest manner; honestly
Bulgarian искрено, откровено
  • искрено (iskreno)In a sincere or earnest manner; honestly
  • откровено (otkroveno)In a sincere or earnest manner; honestly
Catalan sincerament
  • sinceramentIn a sincere or earnest manner; honestly
Chinese Mandarin 真诚地
  • 真诚地In a sincere or earnest manner; honestly
Dutch oprecht
  • oprechtIn a sincere or earnest manner; honestly
Esperanto sincere
  • sincereIn a sincere or earnest manner; honestly
Finnish vilpittömästi, todella
  • vilpittömästiIn a sincere or earnest manner; honestly
  • todellaIn a sincere or earnest manner; honestly
French sincèrement
  • sincèrementIn a sincere or earnest manner; honestly
Greek ειλικρινά
  • ειλικρινά (eilikriná)In a sincere or earnest manner; honestly
Hungarian őszintén
  • őszinténIn a sincere or earnest manner; honestly
Italian sinceramente, in fede
  • sinceramenteIn a sincere or earnest manner; honestly
  • in fedeIn a sincere or earnest manner; honestly
  • con sinceritàIn a sincere or earnest manner; honestly
Japanese 切に, 誠実に
  • 切に (setsu ni)In a sincere or earnest manner; honestly
  • 誠実に (seijitsu ni)In a sincere or earnest manner; honestly
Latin sincērē
  • sincērēIn a sincere or earnest manner; honestly
Portuguese sinceramente
  • sinceramenteIn a sincere or earnest manner; honestly
Russian и́скренне
  • и́скренне (ískrenne)In a sincere or earnest manner; honestly
Spanish sinceramente
  • sinceramenteIn a sincere or earnest manner; honestly
Thai อย่างจริงใจ
  • อย่างจริงใจ (yàang jing jai)In a sincere or earnest manner; honestly
Vietnamese thành thật, thật thà
  • thành thậtIn a sincere or earnest manner; honestly
  • thật thàIn a sincere or earnest manner; honestly
  • ngay thậtIn a sincere or earnest manner; honestly
  • chân thànhIn a sincere or earnest manner; honestly
  • thành khẩnIn a sincere or earnest manner; honestly
Cite this entry
APA

sincerely. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sincerely

MLA

“sincerely.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sincerely. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sincerely,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sincerely.

Source: sincerely on Wiktionary, CC BY-SA 4.0.